Finding the Fourth Proportional to 13,069,446.42, 19,605,105.99 and 3,484,774.74
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Solution
The fourth proportional to 13,069,446.42, 19,605,105.99 and 3,484,774.74 is: 5,227,411.78
Step by Step Solution
- Step 1: Write the proportion equation
13,069,446.42 : 19,605,105.99 = 3,484,774.74 : x - Step 2: Convert to fraction form
13,069,446.42/19,605,105.99 = 3,484,774.74/x - Step 3: Cross multiply
13,069,446.42x = 19,605,105.99 × 3,484,774.74 - Step 4: Simplify right side
13,069,446.42x = 68,319,378,128,974.69 - Step 5: Solve for x
x = 68,319,378,128,974.69/13,069,446.42 - Step 6: Final answer
x = 5,227,411.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.